#include<stdio.h>
#include<assert.h>
char* my_strcpy(char*arr2,const char* arr1) 
{
	assert(arr1&&arr2);
	char*pa=arr2;
	while(*arr2++=*arr1++)
	{
		;
	}
	return pa;
}

int main()
{
	const char arr1[]="abcdefg";
	char arr2[100]="******************";
	char* ret=my_strcpy(arr2,arr1);
	printf("%s",ret);
	return 0;
 } 
